n.压缩；收缩；紧压的感觉
Emotion caused a constriction of his throat. 他激动得都哽咽了。
There was a small pleural effusion and no evidence of pericardial constriction. 有少量胸腔积液，没有心包收缩的证据。
Eventually, unable to bear the constriction of family life, he left home. 他不能忍受家庭生活的那种被勒著的感觉，最后他离开了家。
He felt a constriction in her chest. 他感受到她胸中的压抑。
n.〈生理〉血管收缩
